FEATURES
Device Z02205 ROM (KB) 16 RAM* (Bytes) 237 Speed (MHz) 16 1 Includes AT command set interpreter in on-chip ROM— no external memory required Supports Tone dial or Pulse dial Call progress monitoring controls Handshake controls Guard Tone controls Line quality monitoring and Auto-Retrain Auto-Dial and Auto-Answer Glueless interface to Z02201 modem data pump Watch-Dog Timer (WDT)/Power-On Reset (POR) Type-I Caller ID Dynamic power management CMOS design for low power consumption 0°C to +70°C commercial temperature range 28-pin DIP, SOIC package 4.5V to 5.5V operating range GENERAL DESCRIPTION
A complete modem can be made by adding ZiLOG data pump (Z02201), phone line interface, and the required DTE interface. The Z02205 operates over dial-up telephone connections, provides auto-dial and ring detect, and operates in either SYNC or ASYNC modes. The Z02205 includes AT command and modem control firmware in on-chip ROM. It also includes enhanced wakeup circuitry, programmable Watch-Dog Timers (WDT), and low-noise/EMI options.
Zilog
